Home / 226,223.82-339,279.66-76,460.78

Finding the Fourth Proportional to 226,223.82, 339,279.66 and 76,460.78

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Solution

The fourth proportional to 226,223.82, 339,279.66 and 76,460.78 is: 114,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,223.82 : 339,279.66 = 76,460.78 : x
  2. Step 2: Convert to fraction form
    226,223.82/339,279.66 = 76,460.78/x
  3. Step 3: Cross multiply
    226,223.82x = 339,279.66 × 76,460.78
  4. Step 4: Simplify right side
    226,223.82x = 25,941,588,289.93
  5. Step 5: Solve for x
    x = 25,941,588,289.93/226,223.82
  6. Step 6: Final answer
    x = 114,672.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.